sync(1M)                     DG/UX 5.4 Rel. 2.01                    sync(1M)


NAME
       sync - update the super-block

SYNOPSIS
       sync

DESCRIPTION
       Sync executes sync(2), causing file system information in memory to
       be written to disk. By issuing this command before halting the
       system, you can ensure that all disk writes are completed before the
       shutdown.  (The kernel automatically writes file system information
       to disk at MAXBUFAGE intervals.)

       This command works only for the superuser. If a non-superuser issues
       the command, it fails silently.

SEE ALSO
       halt(1M), update(1M), sync(2).







































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